Starch/Acrylates/Acrylamide Copolymer
AKA “Modified Starch Polymer
Synthetic
Ingredient Facts
Starch/acrylates/acrylamide copolymer
AKA: Modified Starch Polymer
Synthetic · Film Forming · EWG: 4
Plant-Derived Synthetic
Occlusive
Synthetic
Clean
Starch/Acrylates/Acrylamide Copolymer is a polymer of starch, acrylamide and a monomer consisting of acrylic acid, methacrylic acid or one of their simple esters Science: Functions: Binding, Film Forming, Viscosity Controlling Safety Ratings: CIR: Safe as used EU Restriction: III/66
Form
Powder
See origin →
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Holds Formula Together
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Holds ingredients together
Controls product thickness
Traditional Use
Modern synthetic polymer created by combining starch with acrylic polymers. Developed in the late 20th century as a film-former and viscosity modifier for cosmetics, designed to provide texture and stability while incorporating a renewable starch component.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Mild Irritant
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: CosIng · EWG · CIR
Starch/Acrylates/Acrylamide Copolymer — Duck Heart Ghost